atmel sam4s series scalable performance and memory density, power efficiency based on the powerful arm ? cortex ? -m4 processor, the atmel ? sam4s series extends the atmel cortex-m portfolio to offer: ? increased performance and power efficiency ? higher memory densities up to 2mb of flash and 160kb of sram ? and a rich peripheral set for connectivity, system control and analog interfacing. devices are pin-to-pin and software compatible with current sam3 cortex-m3-based mcus, offering a smooth upwards migration path for performance and memory size. key features ? improved performance level built around the arm cortex-m4 processor, the sam4s operates at 120mhz and integrates atmels flash read accelerator and optional cache memory to increase system performance. the sam4s features a multi-layer bus matrix, multi-channel direct memory access (dma) and distributed memory to support high data rate communication. ? low power consumption the sam4s series achieves 200a/mhz in dynamic mode at a low operating frequency; 30ma at 120mhz; and 1a at 1.8v in back-up mode with the real-time clock (rtc) running. offering some of the best power consumption/performance rates on the market for standby mode, the sam4s series reaches 120mhz operating frequency with a ram retention mode below 25a. ? safety and security integrated best-in-class hardware code protection: ? prevents access to on-chip memory to protect your intellectual property (ip). ? supports secure device reconditioning (chip erase) for reprogramming. ? a unique 128-bit id and scrambled external bus interface ensure software confidentiality while the hardware crc checks memory integrity. ? atmel qtouch capacitive touch support the sam4s series is touch-ready, offering native support for atmels market-leading qtouch ? technology so you can easily implement buttons, sliders and wheels in your application. ? ease of use accelerate your development cycle with atmel studio 6, a seamless, easy-to-use integrated development environment (ide). get a jump-start on your design with dedicated evaluation kits and software packages. for rapid evaluation and code development, atmel and industry-leading third parties provide a full range of development tools, real-time operating system (rtos), middleware and support services to reduce time to market. application areas ? consumer goods and toys ? industrial control ? metering ? medical ? test and measurement ? 802.15.4 wireless networking ? pc, cell phone, gaming peripherals
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